Invention Grant
- Patent Title: Paperboard structure with at least one barrier coating layer
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Application No.: US16267865Application Date: 2019-02-05
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Publication No.: US11299855B2Publication Date: 2022-04-12
- Inventor: Jiebin Pang , Natasha G. Melton , Steven Parker , Teresa Krug
- Applicant: WestRock MWV, LLC
- Applicant Address: US GA Atlanta
- Assignee: WestRock MWV, LLC
- Current Assignee: WestRock MWV, LLC
- Current Assignee Address: US GA Atlanta
- Agent Neil G. Cohen
- Main IPC: D21H19/84
- IPC: D21H19/84 ; D21H11/04 ; D21H19/40 ; D21H19/38 ; D21H19/60 ; D21H19/82 ; D21H19/72 ; D21H23/22 ; D21H21/16 ; D21H19/56

Abstract:
A paperboard structure that includes a paperboard substrate which includes a first major side and a second major side along with at least one barrier coating layer on the first major side. The barrier coating layer(s) may include a binder and a pigment, wherein the binder has a glass transition temperature of at least 20° C., wherein a ratio of the binder to the pigment is at least about 1:2 by weight.
Public/Granted literature
- US20190257034A1 HEAT-SEALABLE PAPERBOARD STRUCTURE AND METHOD Public/Granted day:2019-08-22
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